| 1 | // <cfenv> -*- C++ -*- |
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| 2 | |
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| 3 | // Copyright (C) 2007-2021 Free Software Foundation, Inc. |
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| 4 | // |
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| 5 | // This file is part of the GNU ISO C++ Library. This library is free |
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| 6 | // software; you can redistribute it and/or modify it under the |
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| 7 | // terms of the GNU General Public License as published by the |
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| 8 | // Free Software Foundation; either version 3, or (at your option) |
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| 9 | // any later version. |
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| 10 | |
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| 11 | // This library is distributed in the hope that it will be useful, |
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| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | // GNU General Public License for more details. |
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| 15 | |
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| 16 | // Under Section 7 of GPL version 3, you are granted additional |
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| 17 | // permissions described in the GCC Runtime Library Exception, version |
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| 18 | // 3.1, as published by the Free Software Foundation. |
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| 19 | |
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| 20 | // You should have received a copy of the GNU General Public License and |
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| 21 | // a copy of the GCC Runtime Library Exception along with this program; |
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| 22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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| 23 | // <http://www.gnu.org/licenses/>. |
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| 24 | |
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| 25 | /** @file include/cfenv |
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| 26 | * This is a Standard C++ Library header. |
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| 27 | */ |
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| 28 | |
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| 29 | #ifndef _GLIBCXX_CFENV |
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| 30 | #define _GLIBCXX_CFENV 1 |
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| 31 | |
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| 32 | #pragma GCC system_header |
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| 33 | |
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| 34 | #if __cplusplus < 201103L |
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| 35 | # include <bits/c++0x_warning.h> |
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| 36 | #else |
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| 37 | |
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| 38 | #include <bits/c++config.h> |
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| 39 | |
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| 40 | #if _GLIBCXX_HAVE_FENV_H |
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| 41 | # include <fenv.h> |
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| 42 | #endif |
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| 43 | |
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| 44 | #ifdef _GLIBCXX_USE_C99_FENV_TR1 |
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| 45 | |
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| 46 | #undef feclearexcept |
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| 47 | #undef fegetexceptflag |
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| 48 | #undef feraiseexcept |
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| 49 | #undef fesetexceptflag |
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| 50 | #undef fetestexcept |
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| 51 | #undef fegetround |
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| 52 | #undef fesetround |
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| 53 | #undef fegetenv |
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| 54 | #undef feholdexcept |
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| 55 | #undef fesetenv |
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| 56 | #undef feupdateenv |
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| 57 | |
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| 58 | namespace std |
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| 59 | { |
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| 60 | // types |
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| 61 | using ::fenv_t; |
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| 62 | using ::fexcept_t; |
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| 63 | |
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| 64 | // functions |
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| 65 | using ::feclearexcept; |
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| 66 | using ::fegetexceptflag; |
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| 67 | using ::feraiseexcept; |
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| 68 | using ::fesetexceptflag; |
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| 69 | using ::fetestexcept; |
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| 70 | |
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| 71 | using ::fegetround; |
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| 72 | using ::fesetround; |
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| 73 | |
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| 74 | using ::fegetenv; |
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| 75 | using ::feholdexcept; |
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| 76 | using ::fesetenv; |
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| 77 | using ::feupdateenv; |
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| 78 | } // namespace std |
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| 79 | |
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| 80 | #endif // _GLIBCXX_USE_C99_FENV_TR1 |
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| 81 | |
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| 82 | #endif // C++11 |
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| 83 | |
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| 84 | #endif // _GLIBCXX_CFENV |
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| 85 | |
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